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-rw-r--r--include/gba/defines.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/gba/defines.h b/include/gba/defines.h
index a0ef506dd..5489f9e14 100644
--- a/include/gba/defines.h
+++ b/include/gba/defines.h
@@ -40,6 +40,9 @@
#define BG_SCREEN_ADDR(n) (void *)(BG_VRAM + (BG_SCREEN_SIZE * (n)))
#define BG_TILE_ADDR(n) (void *)(BG_VRAM + (0x80 * (n)))
+#define BG_TILE_H_FLIP(n) (0x400 + (n))
+#define BG_TILE_V_FLIP(n) (0x800 + (n))
+
// text-mode BG
#define OBJ_VRAM0 (void *)(VRAM + 0x10000)
#define OBJ_VRAM0_SIZE 0x8000